Science of Addiction

Article

Drugs and the Brain

Article from National Institute on Drug Abuse


Brain made of neurons image

According to NIDA, "Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body."

This article explains how drugs affect the human brain.